In triangles ABC and DEF, ∠B = ∠E, ∠F = ∠C and AB = 3DE, then the two triangles are

1. congruent but not similar

2. similar but not congruent

3. neither congruent nor similar

4. congruent as well as similar

In the adjoining figure, DE || BC and all measurements are in centimeters. The length of AE is

1. 2 cm

2. 2.25 cm

3. 3.5 cm

4. 4 cm

In the adjoining figure, PQ || CA and all lengths are given in centimeters. The length of BC is

1. 6.4 cm

2. 7.4 cm

3. 8 cm

4. 9 cm